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authorDeng-Cheng Zhu <dengcheng.zhu@imgtec.com>2013-10-07 16:45:04 (GMT)
committerRalf Baechle <ralf@linux-mips.org>2013-10-29 20:25:28 (GMT)
commit70002f76db5f8ed4ab72f539fc600510e2a98022 (patch)
tree2847d99eeec2e4be97fd1e70edcc385c25faad10 /arch/mips/include
parentf7886e87546cc68844e8edb66150aaaeacaf7204 (diff)
downloadlinux-70002f76db5f8ed4ab72f539fc600510e2a98022.tar.xz
MIPS: Get rid of hard-coded values for Malta PIIX4 fixups
Make the code more readable by using defines. Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com> Cc: Steven J. Hill <Steven.Hill@imgtec.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Reviewed-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6031/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include')
-rw-r--r--arch/mips/include/asm/mips-boards/piix4.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mips-boards/piix4.h b/arch/mips/include/asm/mips-boards/piix4.h
index a02596c..06d4831 100644
--- a/arch/mips/include/asm/mips-boards/piix4.h
+++ b/arch/mips/include/asm/mips-boards/piix4.h
@@ -1,6 +1,7 @@
/*
* Carsten Langgaard, carstenl@mips.com
* Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
+ * Copyright (C) 2013 Imagination Technologies Ltd.
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
@@ -20,6 +21,28 @@
#ifndef __ASM_MIPS_BOARDS_PIIX4_H
#define __ASM_MIPS_BOARDS_PIIX4_H
+/* PIRQX Route Control */
+#define PIIX4_FUNC0_PIRQRC 0x60
+#define PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_DISABLE (1 << 7)
+#define PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_MASK 0xf
+#define PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_MAX 16
+/* Top Of Memory */
+#define PIIX4_FUNC0_TOM 0x69
+#define PIIX4_FUNC0_TOM_TOP_OF_MEMORY_MASK 0xf0
+/* Deterministic Latency Control */
+#define PIIX4_FUNC0_DLC 0x82
+#define PIIX4_FUNC0_DLC_USBPR_EN (1 << 2)
+#define PIIX4_FUNC0_DLC_PASSIVE_RELEASE_EN (1 << 1)
+#define PIIX4_FUNC0_DLC_DELAYED_TRANSACTION_EN (1 << 0)
+
+/* IDE Timing */
+#define PIIX4_FUNC1_IDETIM_PRIMARY_LO 0x40
+#define PIIX4_FUNC1_IDETIM_PRIMARY_HI 0x41
+#define PIIX4_FUNC1_IDETIM_PRIMARY_HI_IDE_DECODE_EN (1 << 7)
+#define PIIX4_FUNC1_IDETIM_SECONDARY_LO 0x42
+#define PIIX4_FUNC1_IDETIM_SECONDARY_HI 0x43
+#define PIIX4_FUNC1_IDETIM_SECONDARY_HI_IDE_DECODE_EN (1 << 7)
+
/************************************************************************
* IO register offsets
************************************************************************/